remove rbx, jruby for now
remove references
Merge branch 'master' of github.com:travisjeffery/timecop

* 'master' of github.com:travisjeffery/timecop:
  Make TimeCop work with Date/DateTime even if Timecop was loaded first
  Fix syntax for release links

Conflicts:
	README.markdown
update ignore for rbenv
run tests with activesupport gem rather than active_support